ARM: 7665/1: Wire up kcmp syscall

Wire up kcmp syscall for ability to proceed checkpoint/restore
procedure on ARM platform.
Signed-off-by: Alexander Kartashov <alekskartashov@parallels.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/include/uapi/asm/unistd.h

@@ -404,7 +404,7 @@
 #define __NR_setns			(__NR_SYSCALL_BASE+375)
 #define __NR_process_vm_readv		(__NR_SYSCALL_BASE+376)
 #define __NR_process_vm_writev		(__NR_SYSCALL_BASE+377)
-					/* 378 for kcmp */
+#define __NR_kcmp			(__NR_SYSCALL_BASE+378)
 #define __NR_finit_module		(__NR_SYSCALL_BASE+379)
 
 /*

arch/arm/kernel/calls.S

@@ -387,7 +387,7 @@
 /* 375 */	CALL(sys_setns)
 		CALL(sys_process_vm_readv)
 		CALL(sys_process_vm_writev)
-		CALL(sys_ni_syscall)	/* reserved for sys_kcmp */
+		CALL(sys_kcmp)
 		CALL(sys_finit_module)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls